Vibrator



FIG. 1 is a side view of a vibrator, showing my new design.

FIG. 2 is a side view thereof, rotated 90° from that shown in FIG. 1.

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a top plan view thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a vibrator, as shown and described. 